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Climate and Cities

2 sessions, in order

First, the global wind pattern that quietly decides where on Earth the deserts end up. Then, why ancient cities sprang up exactly where they did, almost always for the same one reason: water. Two sessions on how geography decides things before people ever show up.

1.GEO-8Climate Detectives: The Desert PatternGeography~26 minWhy do most of the world's deserts sit at the same latitude? Hadley cells and the global pattern of air circulation.
2.GEO-4Founders of the Ancient CityGeography~23 minWhy do so many great cities sit next to rivers? Water as the master variable in where civilizations begin.